French corporate & M&A counsel · In English

Acquire.
Establish.
Grow in France.

French corporate and M&A advice for international investors and businesses. Work directly with Guillaume PROM THIOUNN, an English-speaking Paris Bar lawyer, alongside your existing advisers.

Paris BarFrench & English
Arc de Triomphe in Paris, France

Your French legal counterpart

Your project in France.
Your lawyer, directly.

The French legal work.
A direct relationship.

Company acquisitionsFrench subsidiariesInternational legal teams

Transaction experience

Selected French
transactions.

Management buyouts, business expansion and SME acquisitions: selected transactions in which Lancier’s role has been publicly announced.

Management buyout · MBO

Managers acquire their business.

Acquisition of a signage business by members of its management team, with financial partners.

Lancier was among the buyers’ legal advisers.

Public announcement · AKORIS Finance

Acquisition · Business expansion

A group expands its activities.

Acquisition of a facade renovation business as part of a construction group’s expansion.

Lancier acted as legal counsel to the buyer.

Public announcement · VINCI Conseils

Business transfer · Entrepreneur acquisition

An entrepreneur acquires an SME.

Transfer of a family-owned building contractor to an entrepreneur with a background in the construction sector.

Lancier acted as legal counsel to the buyer.

Public announcement · In Extenso Finance

Our approach

Understand the documents.
Make your decisions.

French documents, local filings and several advisers can make a transaction difficult to follow from abroad. We explain the points that require your decision and coordinate the French legal work.

Speak directly with your lawyer.

Guillaume PROM THIOUNN follows your matter personally. Your team has a named counterpart for questions, negotiations and the next steps.

Keep the French legal work connected.

We work with your home-country lawyers, in-house counsel, financial advisers and accountants on the matters relevant to their roles.

Know what needs to happen next.

We identify the documents, decisions and filings required for the agreed engagement, and explain the French-language documents you are asked to sign.

Guillaume PROM THIOUNN, French business lawyer and member of the Paris Bar
Avocat · Paris Bar · 2017

The firm

Guillaume PROM THIOUNN.
Your French legal counterpart.

Guillaume PROM THIOUNN · Founder & Managing Partner

A member of the Paris Bar since 2017 and the founder of Lancier, Guillaume advises business owners, buyers and investors on French corporate and M&A matters.

He works in French and English, with a background in international and European law. He handles the French legal work directly with your team, from the initial discussions to the agreed completion steps.

Your lawyer and the working approach

Frequently asked questions

Planning your
French project.

Can I handle the project from abroad?

We organise video calls, document exchanges and signatures remotely where appropriate. We review the requirements of the particular transaction or filing and explain any steps that require a different arrangement.

Will I understand the French documents?

We explain the documents and the points that require your decision in English. Official corporate documents and filings may need to be in French; their purpose and key provisions are discussed with you.

Can you work alongside our home-country lawyers?

Yes. We define the French-law scope and coordinate it with your other advisers. This is useful both for a transaction and for the ongoing legal work of a French subsidiary.

What information should I send first?

A short description of the project, the parties involved, your country and your expected timetable. We then discuss the scope of work and agree the fee arrangement before the engagement begins.

The next steps for your French business

Let’s discuss your project in France.

Discuss your French project